Calcite

Unknown Owner

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Emplaced on a limonite matrix is a single, soaring, glassy and gemmy, colorless crystal of calcite, 5.8 cm in length. The scalenohedral form. Is outstanding and the crystal is limpid. It is SUPER SHARP in person, in a way hard to convey in photos, and is in fact one of the finest examples of its type in this size range. Exchanged from the BMNH collection to Tony Walshaw, who sold his own collection in 1989. Label from the BMNH included. It is illustrated in the book, Minerals of Northern England, shown on page 135. Joe Budd photo, atop